(3R,4S)-rel-3,4-Dihydro-3-hydroxy-2,2-dimethyl-4-(1-pyrrolidinyl)-2H-1-benzopyran-6-carbonitrile 6-Cyano-3,4-dihydro-2,2-dimethyl-trans-4-(1-pyrrolidinyl)-2H-benzo-[b]-pyrano-3-ol 75611-78-8 CAS 75611-78-8
| CAS No. | 75611-78-8 |
| Molecular Formula | C16H20N2O2 |
| Molecular Weight | 272.34 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(3R,4S)-rel-3,4-Dihydro-3-hydroxy-2,2-dimethyl-4-(1-pyrrolidinyl)-2H-1-benzopyran-6-carbonitrile 6-Cyano-3,4-dihydro-2,2-dimethyl-trans-4-(1-pyrrolidinyl)-2H-benzo-[b]-pyrano-3-ol 75611-78-8 (CAS 75611-78-8), molecular formula C16H20N2O2 and molecular weight 272.34 g/mol, is a CATO reference standard with documented purity and traceability.
The molecular framework of (3R,4S)-rel-3,4-Dihydro-3-hydroxy-2,2-dimethyl-4-(1-pyrrolidinyl)-2H-1-benzopyran-6-carbonitrile 6-Cyano-3,4-dihydro-2,2-dimethyl-trans-4-(1-pyrrolidinyl)-2H-benzo-[b]-pyrano-3-ol 75611-78-8 (C16H20N2O2) is characterized by a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage. In reversed-phase chromatography, its retention is governed primarily by its high hydrophobicity (logP), which provides a practical basis for HPLC-UV/DAD or LC-MS method development. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
CATO manufactures (3R,4S)-rel-3,4-Dihydro-3-hydroxy-2,2-dimethyl-4-(1-pyrrolidinyl)-2H-1-benzopyran-6-carbonitrile 6-Cyano-3,4-dihydro-2,2-dimethyl-trans-4-(1-pyrrolidinyl)-2H-benzo-[b]-pyrano-3-ol 75611-78-8 under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C16H20N2O2 |
| Molecular Weight | 272.34 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1978 |
| Nitrogen Atoms | 2 |
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